Home / 104,357.02-143,904.44-89,299.52

Finding the Fourth Proportional to 104,357.02, 143,904.44 and 89,299.52

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Solution

The fourth proportional to 104,357.02, 143,904.44 and 89,299.52 is: 123,140.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,357.02 : 143,904.44 = 89,299.52 : x
  2. Step 2: Convert to fraction form
    104,357.02/143,904.44 = 89,299.52/x
  3. Step 3: Cross multiply
    104,357.02x = 143,904.44 × 89,299.52
  4. Step 4: Simplify right side
    104,357.02x = 12,850,597,417.87
  5. Step 5: Solve for x
    x = 12,850,597,417.87/104,357.02
  6. Step 6: Final answer
    x = 123,140.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.